Stretching and laminating thermoplastic elastomers

ABSTRACT

A PROCESS IS PROVIDED FOR THE PRODUCTION OF THIN FILMS OF THERMOPLASTIC ELASTOMERS COMPRISING HOT DRAWING AND COLD ELASTIC ELONGATION OF AN EXTRUDED FILM FOLLOWED BY HOT LAMINATION WITH A SUBSTRATE. AN APPARATUS IS PROVIDED FOR CARRYING OUT THIS PROCESS WHICH INHERENTLY INVOLVES HIGH SPEED LAMINATION AND, IF DESIRED, VERY THIN FILMS DUE TO THE HIGH COLD STRETCHABILITY POSSIBLE WITH THERMOPLASTIC ELASTOMERS.



